diff --git a/.github/workflows/audit.yml b/.github/workflows/audit.yml
index 9e4ec4a..78dd52d 100644
--- a/.github/workflows/audit.yml
+++ b/.github/workflows/audit.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@1780873c7b576612439a134613cc4cc74ce5538c # v1.15.2
+        uses: actions-rust-lang/setup-rust-toolchain@a0b538fa0b742a6aa35d6e2c169b4bd06d225a98 # v1.15.3
         with:
           cache: true # toolchain/components are specified in rust-toolchain.toml
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5ffbd44..7f01214 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -49,7 +49,7 @@ jobs:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@1780873c7b576612439a134613cc4cc74ce5538c # v1.15.2
+        uses: actions-rust-lang/setup-rust-toolchain@a0b538fa0b742a6aa35d6e2c169b4bd06d225a98 # v1.15.3
         with:
           target: ${{ matrix.target }}
           cache: true # Built-in caching
diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 877f848..4704d55 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -29,7 +29,7 @@ jobs:
           fetch-depth: 0 # Needed for Codecov diff analysis
 
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@1780873c7b576612439a134613cc4cc74ce5538c # v1.15.2
+        uses: actions-rust-lang/setup-rust-toolchain@a0b538fa0b742a6aa35d6e2c169b4bd06d225a98 # v1.15.3
         with:
           cache: true # toolchain/components are specified in rust-toolchain.toml
 
diff --git a/.github/workflows/rust-clippy.yml b/.github/workflows/rust-clippy.yml
index eac3e08..90bc98a 100644
--- a/.github/workflows/rust-clippy.yml
+++ b/.github/workflows/rust-clippy.yml
@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
       - name: Install Rust toolchain
-        uses: actions-rust-lang/setup-rust-toolchain@1780873c7b576612439a134613cc4cc74ce5538c # v1.15.2
+        uses: actions-rust-lang/setup-rust-toolchain@a0b538fa0b742a6aa35d6e2c169b4bd06d225a98 # v1.15.3
         with:
           cache: true # toolchain/components are specified in rust-toolchain.toml